What is Framerate – (synonyms: fps,frames per second)

Framerate – (synonyms: fps,frames per second) defines how many pictures eg. frames one second of video or audio contains, normally used acronym for framerate is fps – frames per second. Human eye can’t see picture changes after the framerate is more than ~24fps. In American TV system NTSC the framerate is appx. 29.97fps and in European PAL system the framerate is 25fps.